/*  This file is part of YUView - The YUV player with advanced analytics toolset
 *   <https://github.com/IENT/YUView>
 *   Copyright (C) 2015  Institut f�r Nachrichtentechnik, RWTH Aachen University, GERMANY
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   In addition, as a special exception, the copyright holders give
 *   permission to link the code of portions of this program with the
 *   OpenSSL library under certain conditions as described in each
 *   individual source file, and distribute linked combinations including
 *   the two.
 *
 *   You must obey the GNU General Public License in all respects for all
 *   of the code used other than OpenSSL. If you modify file(s) with this
 *   exception, you may extend this exception to your version of the
 *   file(s), but you are not obligated to do so. If you do not wish to do
 *   so, delete this exception statement from your version. If you delete
 *   this exception statement from all source files in the program, then
 *   also delete it here.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#include "render_size.h"

#include <common/Typedef.h>

namespace parser::av1
{

using namespace reader;

void render_size::parse(SubByteReaderLogging &reader, unsigned UpscaledWidth, unsigned FrameHeight)
{
  SubByteReaderLoggingSubLevel subLevel(reader, "render_size()");

  this->render_and_frame_size_different = reader.readFlag("render_and_frame_size_different");
  if (this->render_and_frame_size_different)
  {
    this->render_width_minus_1  = reader.readBits("render_width_minus_1", 16);
    this->render_height_minus_1 = reader.readBits("render_height_minus_1", 16);
    this->RenderWidth           = render_width_minus_1 + 1;
    this->RenderHeight          = render_height_minus_1 + 1;
  }
  else
  {
    this->RenderWidth  = UpscaledWidth;
    this->RenderHeight = FrameHeight;
  }
  reader.logCalculatedValue("RenderWidth", this->RenderWidth);
  reader.logCalculatedValue("RenderHeight", this->RenderHeight);
}

} // namespace parser::av1